Find the value of i-1
Finding the value of i-1
We can rewrite it as 1i
Multiply both numerator and denominator by i.
1i=(1xi)(ixi)
=ii2=i-1[∵i2=-1]=-i
Hence the value of i-1is -i
Find the value of y when x=-5.
y=15x+1
y=6x